Ontario Geological Survey
Permanent Link to this Record:
MDI000000002707
| Record Name(s) | Agutua Arm Ag - 1985 |
|---|---|
| Related Record Type | |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2021-Nov-01 |
| Date Last Modified | 2022-Jan-18 |
| Created By | |
| Revised By |
Primary Commodities: Silver
Secondary Commodities: Gold
Township or Area: Randall Lake Area
Latitude: 52° 50' 19.14" Longitude: -91° 12' 50.84"
UTM Zone: 15 Easting: 620292 Northing: 5855816 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 53B14SE
Point Location Description: Map in Assessment report 53B14SE0007
Location Method: Data Compilation
Access Description: The occurrence is located between the Agutua Arm of Weagamow Lake and Randall Lake, about 160 km north of Pickle Lake. Access is by float plane.
1985: Northern Dynasty Explorations Ltd. carried out prospecting, soil and rock sampling, and mapping.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 53B14SE0019 | 53B14SE0007 | 53B14SE0007 |
Province: Superior
Subprovince: Berens River
Terrane: North Caribou
Domain: North Caribou Core
Belt: North Caribou
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Mafic lava flow-unsubdivided | 1 | Near |
|---|---|---|---|---|
| Diorite | 2 | Contains | ||
| Vein | 3 | quartz-tourmaline | Host | |
| Peridotite | 4 | serpentinzed | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 2 | Bornite | Economic | Ore | ||||
| 1 | Quartz | Economic | Gangue | ||||
| 2 | Tourmaline | Economic | Gangue |
Nov 01, 2021 (Therese Pettigrew) - Sample location TR-201 returned 66 ppm Ag and 280 ppb Au from a 2 cm wide, north-striking, 5 m long quartz-chalcopyrite-bornite-tourmaline vein hosted in a large diorite mass near its contact with a serpentine-magnetite lens (Assessment report 53B14SE0007)
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Gold | Unknown | 280 | ppb | |||
| Silver | Unknown | 66 | ppm |
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office